Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
theo chu » theo chieu, cho chu, chao chu
mang cua » manh cua, ban cua, cong cua
dung cua » dung luan, dung cho
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) or (hoc thieu)) xanh - hanh ((mang cua) OR (dung cua)) nhung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (hoc thieu)) xanh - hanh ((mang cua) OR (dung cua)) nhung cong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) or (hoc thieu)) xanh - hanh ((mang cua) OR (dung cua)) nhung cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (hoc thieu)) xanh - hanh ((mang cua) OR (dung cua)) nhung cong dan toan cau*.